DR. DAVID TE-WEI TSIANG MD
NPI 1942590179
Anesthesiology in Los Angeles, CA
About Dr. David Te-wei Tsiang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID TE-WEI TSIANG MD (NPI 1942590179) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A123846) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Te-wei Tsiang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show David Tsiang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Tsiang's NPI number?
The NPI number for David Tsiang is 1942590179. It was assigned to this individual provider in the NPPES registry on April 8, 2011.
Where is David Tsiang located?
David Tsiang practices at 757 Westwood Plz Suite 3325, Los Angeles, CA 90095. The listed phone number is (310) 267-8655.
What is David Tsiang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is David Tsiang enrolled in Medicare?
Yes. David Tsiang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for David Tsiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tsiang reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Tsiang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Tsiang was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.